<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>File Upload</title>
</head>
<body>
    <h2>Upload a File</h2>

    <!-- 文件上传表单 -->
    <form action="http://example.com/upload" method="post" enctype="multipart/form-data">
        <!-- 文件上传字段 -->
        <label for="file">Choose a file:</label>
        <input type="file" id="file" name="file"><br><br>

        <!-- 其他字段 -->
        <label for="name">Name:</label>
        <input type="text" id="name" name="name" value="ls"><br><br>

        <label for="age">Age:</label>
        <input type="text" id="age" name="age" value="24"><br><br>

        <label for="sex">Sex:</label>
        <select id="sex" name="sex">
            <option value="man">Man</option>
            <option value="woman">Woman</option>
        </select><br><br>

        <!-- 提交按钮 -->
        <input type="submit" value="Upload">
    </form>
</body>
</html>